Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
01/05/2024, 19:15
Static task
static1
Behavioral task
behavioral1
Sample
c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe
Resource
win10v2004-20240419-en
General
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Target
c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe
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Size
4.2MB
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MD5
2deb4e487a2592ab33208e6b7833948e
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SHA1
ff1cadf2053c0f00ce7f01ca15bd48577739d0d1
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SHA256
c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510
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SHA512
efb3b7195d6c9aec08e9f49806e8792d1d60d0ebd40bb24b88ffafd2f1829e650c2230a2786a5dc6bd829cc8a112662abd6ac38025d1e68cd57d2e1bbce6e3b0
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SSDEEP
98304:1uxePFYVIjI3jbs7rOr8XbapyaGMQmZfz2EGx2NuCSvblw8lkAbu02:144WVIjIkY8LanZfS12NDwpw8ljbl2
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4104-2-0x0000000004FF0000-0x00000000058DB000-memory.dmp family_glupteba behavioral1/memory/4104-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4104-4-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4104-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4104-58-0x0000000004FF0000-0x00000000058DB000-memory.dmp family_glupteba behavioral1/memory/4104-55-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4476-85-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4476-137-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4512-164-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4512-222-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4512-231-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4512-233-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4512-235-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4512-237-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4512-239-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4512-241-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4512-243-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4512-245-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4512-247-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1564 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4512 csrss.exe 1860 injector.exe 3304 windefender.exe 3652 windefender.exe -
resource yara_rule behavioral1/files/0x000b000000023bbe-225.dat upx behavioral1/memory/3304-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3304-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3652-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3652-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe File created C:\Windows\rss\csrss.exe c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 844 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1516 schtasks.exe 5076 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4928 powershell.exe 4928 powershell.exe 4104 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 4104 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 868 powershell.exe 868 powershell.exe 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 4088 powershell.exe 4088 powershell.exe 1892 powershell.exe 1892 powershell.exe 4516 powershell.exe 4516 powershell.exe 4836 powershell.exe 4836 powershell.exe 4092 powershell.exe 4092 powershell.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 4512 csrss.exe 4512 csrss.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 4512 csrss.exe 4512 csrss.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 4512 csrss.exe 4512 csrss.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4928 powershell.exe Token: SeDebugPrivilege 4104 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Token: SeImpersonatePrivilege 4104 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Token: SeDebugPrivilege 868 powershell.exe Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 1892 powershell.exe Token: SeDebugPrivilege 4516 powershell.exe Token: SeDebugPrivilege 4836 powershell.exe Token: SeDebugPrivilege 4092 powershell.exe Token: SeSystemEnvironmentPrivilege 4512 csrss.exe Token: SeSecurityPrivilege 844 sc.exe Token: SeSecurityPrivilege 844 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4104 wrote to memory of 4928 4104 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 94 PID 4104 wrote to memory of 4928 4104 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 94 PID 4104 wrote to memory of 4928 4104 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 94 PID 4476 wrote to memory of 868 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 100 PID 4476 wrote to memory of 868 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 100 PID 4476 wrote to memory of 868 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 100 PID 4476 wrote to memory of 4612 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 102 PID 4476 wrote to memory of 4612 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 102 PID 4612 wrote to memory of 1564 4612 cmd.exe 104 PID 4612 wrote to memory of 1564 4612 cmd.exe 104 PID 4476 wrote to memory of 4088 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 106 PID 4476 wrote to memory of 4088 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 106 PID 4476 wrote to memory of 4088 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 106 PID 4476 wrote to memory of 1892 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 108 PID 4476 wrote to memory of 1892 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 108 PID 4476 wrote to memory of 1892 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 108 PID 4476 wrote to memory of 4512 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 111 PID 4476 wrote to memory of 4512 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 111 PID 4476 wrote to memory of 4512 4476 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 111 PID 4512 wrote to memory of 4516 4512 csrss.exe 112 PID 4512 wrote to memory of 4516 4512 csrss.exe 112 PID 4512 wrote to memory of 4516 4512 csrss.exe 112 PID 4512 wrote to memory of 4836 4512 csrss.exe 118 PID 4512 wrote to memory of 4836 4512 csrss.exe 118 PID 4512 wrote to memory of 4836 4512 csrss.exe 118 PID 4512 wrote to memory of 4092 4512 csrss.exe 120 PID 4512 wrote to memory of 4092 4512 csrss.exe 120 PID 4512 wrote to memory of 4092 4512 csrss.exe 120 PID 4512 wrote to memory of 1860 4512 csrss.exe 122 PID 4512 wrote to memory of 1860 4512 csrss.exe 122 PID 3304 wrote to memory of 3464 3304 windefender.exe 128 PID 3304 wrote to memory of 3464 3304 windefender.exe 128 PID 3304 wrote to memory of 3464 3304 windefender.exe 128 PID 3464 wrote to memory of 844 3464 cmd.exe 129 PID 3464 wrote to memory of 844 3464 cmd.exe 129 PID 3464 wrote to memory of 844 3464 cmd.exe 129 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe"C:\Users\Admin\AppData\Local\Temp\c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4104 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4928
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C:\Users\Admin\AppData\Local\Temp\c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe"C:\Users\Admin\AppData\Local\Temp\c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4476 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:868
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:4612 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:1564
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4088
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1892
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4512 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4516
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5076
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5016
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4836
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4092
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1860
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1516
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3304 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:844
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3652
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d84d24fe0e627a7cc126202c35dac73f
SHA1c0cee09aee753d8b915383f8fdb1c6cffad7af5e
SHA256acde437297ce8f056a1bd505cd2c16e8d28e653f957fef6b765fcb6c2b8c4580
SHA512f1b4d88270e9e0f04fd48d6b96715a0b4ea735ff7769aba555d13f2570892cb1a8e5bf4cab9778796d00a75218983fe46abcfdf84eb43f2ac6f04cd777046f32
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ecff1d1024dd578c942ff69ff25b42f9
SHA199712021ad615a719ee47728bfcc8a787f73f057
SHA256045c119e4d7d308dc978372482cff19930f9cb7477c8be706ea097ac7c89af64
SHA51250aa3de6b6f1cdfbd0a404207ecd8d7fa9ab78bfac295d3f3d2e641b8029a969db276d9ad031b6d2285575e9e027644126dc2d8110358813d416de0d44f79c59
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b48e5e941b49de6bf9e5b2862c552012
SHA1c4f4af74d5df5f136fe0813fa71849ef9a991bda
SHA2565ee5b08b9736a4bec6f49090a22efbd61ddf8eaa0b985387ba73c0c208098dd2
SHA512fca194b52688a089b9bbb8ee147b8cccb8dd1a3b4fb50a371fdfc980bc655c198bdf9d20646ca1b80d5b4024b615b339d013c2fbaf3cc9fc2554d8039a50ab74
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579a3075e1a7c413393df17f2f95a89d4
SHA155ecd62b9ab37f4142639149f436337cec9051ca
SHA256a1bc8b99b135c56e7419e3a603ba695b3bc04d4ea21e58609616cff3a52a9bff
SHA5122151d2cb3bcb86803f01bfc74652421e535994e9dc76efcccd1daebfbfc10dd9e69dc47ffe116429f0cf4d4b323564d5cabe98b1734ef0f2b45928f915ea165f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b89555c17a5612992fd2cac8ce4b2e77
SHA1adcefd7bbb7557427bf94b4e7b761992290f3584
SHA2563a702ff8326dc88afef71ecdacec99d43b7d07bf8abb26cc317f63eb9dd68dc8
SHA512176e4b0c4f859d63a68667f95a360a1f1fd3956e1a1ee269df23d911ed2f58bfb7c4dec42bc0ed4e3df42ee8b565408a32080f47474a2a79419df5037c47da30
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Filesize
4.2MB
MD52deb4e487a2592ab33208e6b7833948e
SHA1ff1cadf2053c0f00ce7f01ca15bd48577739d0d1
SHA256c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510
SHA512efb3b7195d6c9aec08e9f49806e8792d1d60d0ebd40bb24b88ffafd2f1829e650c2230a2786a5dc6bd829cc8a112662abd6ac38025d1e68cd57d2e1bbce6e3b0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec